PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-03:28:00
G01     224.1          15.0                4.0 +/-   12.27      10.0 +/-   12.27  0.270 / 0.390
G03     281.7          68.2                4.7 +/-    0.71       5.0 +/-    0.71  0.180 / 0.520
G09     297.7          14.6                2.9 +/-    1.84       7.2 +/-    1.84  0.040 / 0.030
G14     89.0           22.8                3.9 +/-    1.18       7.9 +/-    1.18  0.040 / 0.030
G16     141.7          48.5                7.2 +/-    0.46       9.2 +/-    0.46  0.110 / 0.190
G22     212.7          68.3                5.2 +/-    0.52       5.5 +/-    0.52  0.100 / 0.190
G23     308.9          38.5                3.0 +/-    1.49       4.5 +/-    1.49  0.040 / 0.100
G26     90.7           54.3                5.0 +/-    0.64       6.0 +/-    0.64  0.060 / 0.080
G31     46.5           29.5                3.5 +/-    1.84       6.1 +/-    1.84  0.040 / 0.060